.musicSheet .sheetLine {
    clear: both;
    display: flex;
}
.musicSheet .sheetSection {
    flex : 1;
}

.musicSheet .commentArea {
    height: 1.5em;
    line-height: 1.5em;
    font-weight: 700;
}
.musicSheet .tagArea {
    border-right: solid 1px #ccc;
    display: flex;
}
.musicSheet .sheetSection:first-child .tagArea {
    border-left: solid 1px #ccc;
}

.musicSheet .sheetSection .beat {
    flex: 1;
    text-align: center;
}

.musicSheet .sheetNote {
    margin-top: 30px;
}